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  1. By: Alvord, Benjamin,
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: John Torrey Papers
  2. By: Alvord, Benjamin,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  1. By: Alvord, Benjamin,
    Type: Correspondence
    In: Asa Gray correspondence
    Date: 1849-08-24
  2. By: Alvord, Benjamin,
    Type: Article
    In: The American naturalist
    Volume: 16
    Issue: 8
    Date: 1882
    Page Range: 625-635
    Publication Info: Chicago, Ill. [etc.], Published for the American Society of Naturalists by the University of Chicago Press [etc.],